rowboatlabs rowboat up to 0.1.67 tools_webhook app.py tool_call X-Tools-JWE improper authentication

Summaryinfo

A vulnerability identified as critical has been detected in rowboatlabs rowboat up to 0.1.67. Affected is the function tool_call of the file apps/experimental/tools_webhook/app.py of the component tools_webhook. Performing a manipulation of the argument X-Tools-JWE results in improper authentication. This vulnerability is cataloged as CVE-2026-6635. It is possible to initiate the attack remotely. Furthermore, there is an exploit available. The vendor was contacted early about this disclosure but did not respond in any way.

Detailsinfo

A vulnerability was found in rowboatlabs rowboat up to 0.1.67. It has been classified as critical. This affects the function tool_call of the file apps/experimental/tools_webhook/app.py of the component tools_webhook. The manipulation of the argument X-Tools-JWE with an unknown input leads to a improper authentication vulnerability. CWE is classifying the issue as CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. This is going to have an impact on confidentiality, integrity, and availability.

The advisory is shared at github.com. This vulnerability is uniquely identified as CVE-2026-6635. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details and a public exploit are known.

The exploit is shared for download at github.com. It is declared as proof-of-concept. The vendor was contacted early about this disclosure but did not respond in any way.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-23840). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 6.6

VulDB Base Score: 7.3
VulDB Temp Score: 6.6
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Improper authentication
CWE: CWE-287
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

04/19/2026 Advisory disclosed
04/19/2026 +0 days VulDB entry created
04/20/2026 +1 days VulDB entry last update

Sourcesinfo

Advisory: github.com
Status: Not defined

CVE: CVE-2026-6635 (🔒)
GCVE (CVE): GCVE-0-2026-6635
GCVE (VulDB): GCVE-100-358269
EUVD: 🔒
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 04/19/2026 21:25
Updated: 04/20/2026 15:55
Changes: 04/19/2026 21:25 (58), 04/20/2026 15:55 (1)
Complete: 🔍
Submitter: davidgilmore
Cache ID: 216::103

Submitinfo

Accepted

  • Submit #793433: Rowboat Labs Rowboat 0.1.67 Authentication Bypass Issues (by davidgilmore)

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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